Inside the Cave of Obscenity - Vol 1 Chapter 9: Knights 4

Honjou Kaede was invited by her friend, Shiromine Risa to play a VRMMO.

In the year 2220, a radiation source in the Pacific Ocean, tens of thousands of times stronger than a nuclear bomb has begun mutating exposed creatures into horrific monsters thousands of meters long. Mankind’s only hope was nuclear weapons, which only made matters worse. The combination of the natural radiation and nuclear radiation released an incurable and highly infectious virus, turning the 90% of the world’s population into violent zombies in mere weeks.

“Ding, the strongest template system is officially opened!”

“Generating template…”

“Calculating…”

“Ding, congratulations to the host for obtaining a B-level template!”

“Extracting…”

“Ding, congratulations to the host for getting the JR-Smith template!”

Start with Neuroknife and become a legend!

- Description from novelbuddy

Lin Tian, who had reincarnated into the world of One Piece ten years ago met Garp, who was on duty to eradicate pirates, and become his student.